Are GT40Ps smog legal?

Fox Hound · 09-06-2002, 11:31 AM

Just curious... If I install a set of these, Cobra intake and still keep the stock cam will I pass smog? I'm assuming that since these heads were on the SUVs to begin with that they would be okay. What about the Ford Racing version? Are they the same head? Anyone running these heads passed CA smog testing?

bigblockcoupe · 09-06-2002, 04:02 PM

you will have to hook up all your factory emissions but you should remain legal.

speedytang · 09-09-2002, 05:10 AM

Smog laws are stupid because those heads burn clean enough but means nothing. You must have all original plumbing hooked up to pass. The 40p needs to be drilled for the air pump.

09-06-2002, 11:31 AM	#1
Fox Hound Registered Member Join Date: Nov 2001 Location: Bay Area, CA Posts: 58	Are GT40Ps smog legal? Just curious... If I install a set of these, Cobra intake and still keep the stock cam will I pass smog? I'm assuming that since these heads were on the SUVs to begin with that they would be okay. What about the Ford Racing version? Are they the same head? Anyone running these heads passed CA smog testing?

09-06-2002, 04:02 PM	#2
bigblockcoupe Registered Member Join Date: Aug 2002 Location: broken arrow Posts: 212	you will have to hook up all your factory emissions but you should remain legal. __________________ Rice Haters Club member #68 '93 Cobra 10.20@135 '89 Gt Coupe 12.20@115

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09-09-2002, 05:10 AM	#3
speedytang Registered Member Join Date: Oct 1999 Location: Marengo, Ohio.USA Posts: 135	Smog laws are stupid because those heads burn clean enough but means nothing. You must have all original plumbing hooked up to pass. The 40p needs to be drilled for the air pump.